There is an thesaurus available for each of the following languages:
Afrikaans (South Africa)
Amharic (Ethiopia)
Arabic (North Africa and Middle East)
Armenian (Eastern)
Azerbaijani (Azerbaijan, Iran)
Basque
Belarusian (Belarus )
Bengali (Bangladesh, India)
Bulgarian (Bulgaria)
Catalan
Chichewa (Malawi)
Coptic (North Africa)
Croatian (Croatia)
Czech (Czech Republic)
Danish (Denmark)
Dutch (Netherlands)
English (AU,CA,GB,NZ,US,ZA)
Esperanto (anywhere)
Estonian (Estonia)
Faroese (Faroe Islands)
Persian (Iran)
Fijian (Fiji)
Finnish (Finland)
French (France, …)
Frisian (Netherlands)
Friulian (Italy)
Galician (Spain)
Gascon (France)
German (Germany, …)
Greek (Greece)
Gujarati (India)
Hawaiian (United States)
Hebrew (Israel)
Hindi (India)
Hungarian (Hungary)
Icelandic (Iceland)
Indonesian (Indonesia)
Interlingua (x-register)
Irish (Ireland)
Italian (Italy)
Kashubian (Poland)
Khmer (Cambodia)
Kinyarwanda (Rwanda)
Kiswahili (East Africa)
Korean
Kurdish (Turkey, Syria)
Latin (x-register)
Latvian (Latvia)
Lingala (Democratic Republic of the Congo)
Lithuanian (Lithuania)
Luxembourgish (Luxembourg)
Malagasy (Madagascar)
Malay (Malaysia)
MÄori (Aotearoa)
Macedonian (Former Yugoslav Republic of Macedonia)
Marathi (India)
Malayalam (India)
Mongolian (Mongolia)
Ndebele (South Africa)
Nepali (Nepal)
Northern Sotho (South Africa)
Norwegian (Norway)
Occitan (France)
Oriya (India)
Papiamentu (Netherlands Antilles)
Persian (Iran)
Polish (Poland)
Portuguese (Portugal + Brasil)
Punjabi (India)
Quechua (Bolivia)
Quichua (Ecuador)
Romanian (Romania)
Scottish Gaelic (Scotland)
Serbian (Serbia, Republic Srpska)
Setswana (Africa)
Sinhala (Sri Lanka)
Slovak (Slovakia)
Slovenian (Slovenia)
Southern Sotho (South Africa)
Spanish (Spain, …)
Swazi/Swati (South Africa)
Swedish (Sweden)
Tagalog (Philippines)
Tamil (India)
Tetum (Indonesia)
Thai (Thailand)
Tsonga (South Africa)
Ukrainian (Ukraine)
Urdu (Pakistan, India)
Uzbek (Uzbekistan)
Venda (South Africa)
Vietnamese (Vietnam)
Wayunaiki (Venezuela)
Welsh (Wales)
Xhosa (South Africa)
Yiddish (International)
Zulu (Africa)
